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Branch-and-bound approaches are promising in pruning fruitless search space during the resource constrained scheduling. However, such approaches only compare the estimated upper and lower bounds of an incomplete schedule to the length of the best feasible schedule at that iteration, which does not fully exploit the potential of the pruning during the search. Aiming to improve the performance of resource...
This paper studies a real-world hybrid flow shop problem arising from the steelmaking continuous casting process, which is the bottleneck of the iron and steel production. There are a variety of features to be taken into account, in particular the batch constraints and the variable processing times in the last stages. Based on a time-index formulation and machine capacity relaxation, three Lagrangian...
With the development of computer and network technique, no-paper examination has received widely application, such as driving license exam and professional ranks and titles computer exam nearby us. In order to ensure the equity and justness, the issue of organizing papers causes more and more attention. Intelligent Organizing Papers is a combination problem under various constraints. There are still...
CBTC (Communication Based Train Control) will be based on mobile communication, which the key problem is how to support reliability of control data transmission to improve track utilization and enhance train safety. This paper proposed a kind of real-time transmission model for high speed train end-to-end control data operation, which based on circuit switched data service by traditional wireless...
The issue queue (IQ) is a key microarchitecture structure for exploiting instruction-level and thread-level parallelism in dynamically scheduled simultaneous multithreaded (SMT) processors. However, exploiting more parallelism yields high susceptibility to transient faults on a conventional IQ. With the rapidly increasing soft error rates, the IQ is likely to be a reliability hot-spot on SMT processors...
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